package oop2;

/**
 * @author oldliu
 * @since 1.0
 */
public class TestParam {
    public static void main(String[] args) {
        {
            {
                int a=100;
                System.out.println(a);
            }
            //System.out.println(a);
        }
        //System.out.println(a);
    }
}
